By Elina Ivanova-Atanassov, Founder and CEO, Smart Strips · Last updated: November 2026
Monday, 6:45. The alarm goes, you switch it off, and ten minutes later you are standing in the kitchen reading the same message on your phone for the third time. You put the milk in the cupboard and the coffee in the fridge. By the time you leave the house you feel like yourself again, and you have no idea where the last half hour went.
That fog has a name: sleep inertia. A review in Nature and Science of Sleep describes it as "the temporary time of sleepiness, disorientation and impaired cognitive performance experienced upon awakening", with the strongest effects inside the first 30 minutes and full recovery taking at least an hour (Hilditch and McHill, 2019). A good morning ritual is built around that hour rather than against it. Below is what the research says about the first sixty minutes of the day, and where Smart Strips FOCUS, IMMUNE and NMN fit in.
Why do you feel groggy right after waking up?
Because the brain does not switch on all at once. Sleep inertia is a normal transition state, and in the studies reviewed, performance usually returns towards normal within 30 minutes of waking, sometimes in as little as 15. Full recovery, however, "does not appear to be complete until at least an hour after awakening", and in one task the impairment took up to 3.5 hours to clear (Hilditch and McHill, 2019).
Three things make it worse.
Too little sleep. The review is direct: sleep inertia is worse after prior sleep loss, and worse again after several short nights in a row. The American Academy of Sleep Medicine and the Sleep Research Society recommend that adults sleep seven or more hours per night on a regular basis (Watson et al., 2015). A week of six-hour nights shows up first at 6:45 in the morning.
Waking in your biological night. The effects are greatest near the low point of the body's daily temperature rhythm, in the biological night (Hilditch and McHill, 2019). A 5am alarm on a dark November morning lands much closer to that point than a 7:30 alarm in June.
Waking from deep sleep. The evidence here is mixed, but one study cited in the review found decision-making significantly worse after waking from deep sleep than from REM sleep. It is one more reason the alarm that cuts into deep sleep feels so heavy.
Why are Monday mornings the hardest?
Because many people spend the weekend in a slightly different time zone without leaving home. Researchers call this social jetlag: "the discrepancy between work and free days, between social and biological time" (Wittmann et al., 2006). Two late nights and two lie-ins move the body clock later. On Monday the alarm rings at the old hour, and the clock has not caught up.
The fix is unglamorous: keep your wake-up time within roughly the same hour on weekends, and get outside early on Saturday and Sunday mornings too. If you have ever flown across time zones, the mechanism will feel familiar; our guide to jet lag explains how the body clock catches up.
What should you do in the first 15 minutes?
Give the body clock its signal, and do not ask the brain for anything important yet.
Find daylight. Light is the main time cue for the body clock, and morning light advances it, while evening light delays it (Blume et al., 2019). Outdoor light is in a different league from indoor light: full daylight reaches about 25,000 lux, standard office lighting about 500 (Blume et al., 2019). Open the curtains as you get up, drink your first glass of water by the window, or walk part of the way to work.
Let the body do what it already does. Within the first half hour after waking, cortisol typically rises by 38% to 75% and peaks about 30 minutes after you wake (Elder et al., 2014). It is part of how the body brings itself online, and it arrives without a supplement.
Move the difficult decisions. If the first 30 minutes are the weakest, they are a poor time for the email you need to word carefully, a difficult conversation or a quick decision about money. Schedule them for the second half of the hour or later.
Does coffee right after waking clear the fog?
Not as quickly as it feels. The same review found that caffeine works well against sleep inertia when it is taken before a short sleep, such as a 20-minute nap. Taken after waking, even in a fast-absorbing chewing gum, its effects are delayed, and "the initial, most severe period of effects are unaffected by caffeine" (Hilditch and McHill, 2019).
So the first cup is not what lifts the first fifteen minutes. Light, water and time do that. Caffeine is useful for what comes next: the first demanding task of the day.
Planning that cup also protects tonight. In healthy adults, the body needs on average about four hours to clear half of a dose of caffeine, with a range of two to eight hours depending on the person, and a 60 ml espresso contains about 80 mg (EFSA, 2015). The earlier your caffeine, the less of it is still with you at bedtime. Our guide on when to take supplements goes into caffeine timing in detail.
Where do Smart Strips fit into a morning ritual?
After the light and before the work, in the time it takes the kettle to boil.
FOCUS, before the first demanding task. Each FOCUS strip, a dissolving film for the tongue, contains alpha-GPC 20 mg, caffeine 20 mg, L-theanine 10 mg, citicoline 10 mg and phosphatidylserine 5 mg. Take it 15 to 20 minutes before the work that needs your attention, the budget review at ten rather than the alarm at 6:45. The 20 mg of caffeine is a quarter of an espresso, so count it with your coffee and keep it to the first part of the day. Why the formula pairs caffeine with L-theanine is explained in focus without jitters.
IMMUNE, as the daily habit. Vitamin C 20 mg, elderberry juice concentrate 20 mg and vitamin D3 35 µg, one strip a day. Vitamin C contributes to the normal function of the immune system. Vitamin D contributes to the normal function of the immune system. You will not feel it, and the morning is there to make it easy to repeat.
NMN, for those who want it as a long-term habit. One strip a day with 80 mg of NMN, best taken in the morning. It is a routine, with nothing to feel.
BEAUTÉ, if it is part of your routine. One strip a day with hydrolysed marine collagen 20 mg, hyaluronic acid 10 mg, vitamin E 3 mg, vitamin A 1000 µg and biotin 100 µg. Biotin contributes to the maintenance of normal skin. BEAUTÉ contains fish and is not vegan.
None of them needs water: each strip is an ultra-thin film that dissolves on the tongue in 7 to 30 seconds, so these melts fit into the gaps a real morning already has: while the kettle boils, while the children find their shoes, in the lift. Every formula is sugar-free and gluten-free and sweetened with stevia. Follow the daily intake shown on each box. How two or three formulas fit together across a whole day is covered in biohacking made simple.
What does a realistic first hour look like?
Here is one version for a weekday that starts at 6:45.
6:45. The alarm, at the same time as on Saturday give or take an hour. Curtains open straight away.
6:50. A glass of water at the window. IMMUNE and NMN while the kettle boils.
7:00 to 7:30. Breakfast, the children, the radio. Nothing that needs a careful answer.
7:30. Coffee, now that the worst of the fog has passed.
9:40. FOCUS, twenty minutes before the meeting that matters.
Change the times to fit your life. Keep the order: light first, decisions later, caffeine for the task rather than the alarm.
When is morning grogginess a reason to see a doctor?
Most morning grogginess is ordinary. Talk to your doctor if you regularly sleep seven hours or more and still wake exhausted, if you snore loudly or a partner has noticed pauses in your breathing, if you fall asleep during the day without meaning to, or if you feel sleepy when driving. If the problem is waking far too early, our guide why you wake up at 4am covers that pattern.
Food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle. Consult your doctor if you are pregnant, nursing, taking medication or have a medical condition.
FAQ
How long does morning grogginess last?
The strongest effects of sleep inertia usually fade within 30 minutes of waking, sometimes within 15, and full recovery takes at least an hour (Hilditch and McHill, 2019).
Why do I feel worse after sleeping in at the weekend?
Late nights and lie-ins move the body clock later. Researchers call the gap between work days and free days social jetlag (Wittmann et al., 2006). Keeping a similar wake-up time every day helps.
Should I drink coffee as soon as I wake up?
Caffeine taken after waking acts with a delay and does not change the first, heaviest minutes of sleep inertia (Hilditch and McHill, 2019). Light and water come first; coffee works better a little later, before the first demanding task.
What is in FOCUS?
Alpha-GPC 20 mg, caffeine 20 mg, L-theanine 10 mg, citicoline 10 mg and phosphatidylserine 5 mg per strip, taken 15 to 20 minutes before demanding work.
Can I take IMMUNE and NMN in the same morning?
They are separate daily formulas, and many people take both at breakfast. Follow the daily intake shown on each box, and ask your doctor if you take medication.
How fast do the strips dissolve?
A Smart Strips oral dissolvable strip dissolves on the tongue in 7 to 30 seconds, without water.
A better morning starts with the curtains, not the coffee. When the first real task of the day arrives, discover FOCUS.
Sources
- Hilditch CJ, McHill AW. Sleep inertia: current insights. Nat Sci Sleep. 2019;11:155-165. DOI 10.2147/NSS.S188911
- Watson NF, Badr MS, Belenky G, et al. Recommended amount of sleep for a healthy adult: a joint consensus statement of the American Academy of Sleep Medicine and Sleep Research Society. J Clin Sleep Med. 2015;11(6):591-592. DOI 10.5664/jcsm.4758
- Wittmann M, Dinich J, Merrow M, Roenneberg T. Social jetlag: misalignment of biological and social time. Chronobiol Int. 2006;23(1-2):497-509. DOI 10.1080/07420520500545979
- Blume C, Garbazza C, Spitschan M. Effects of light on human circadian rhythms, sleep and mood. Somnologie. 2019;23(3):147-156. DOI 10.1007/s11818-019-00215-x
- Elder GJ, Wetherell MA, Barclay NL, Ellis JG. The cortisol awakening response: applications and implications for sleep medicine. Sleep Med Rev. 2014;18(3):215-224. DOI 10.1016/j.smrv.2013.05.001
- EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA). Scientific Opinion on the safety of caffeine. EFSA Journal. 2015;13(5):4102. DOI 10.2903/j.efsa.2015.4102 (half-life and serving values: EFSA, Caffeine: EFSA explains risk assessment, 2015, https://www.efsa.europa.eu/sites/default/files/corporate_publications/files/efsaexplainscaffeine150527.pdf; EUFIC summary, https://eufic.org/en/whats-in-food/article/efsa-opinion-on-the-safety-of-caffeine)
- Commission Regulation (EU) No 432/2012 establishing a list of permitted health claims made on foods. Annex (vitamin C, vitamin D, biotin). https://www.legislation.gov.uk/eur/2012/432/annex