Avoid alcohol

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Evening
Done by 3 biohackers

Reducing or eliminating alcohol intake, commonly done to support sleep quality, energy and overall wellbeing.

Quick facts

  • 1Alcohol fragments the second half of the night: sleep trackers show suppressed REM even after a single evening drink for many users.
  • 2The 'no safe dose' framing entered mainstream discussion after large 2018-era analyses challenged the moderate-drinking benefit narrative.
  • 3Many practitioners report the biggest gains in the first month: sleep scores, morning energy and training recovery.
  • 4Routine culture's version is often harm-reduction rather than abstinence, cutting weeknight and pre-sleep drinking first.

Why people do it

  • Sleep, immediately: Alcohol suppresses REM and fragments the second half of the night; wearables made this trade visible and drove much of the sober-curious shift.

  • Recovery and training: Athletes commonly report better training quality within weeks of cutting evening drinks.

  • The epidemiology moved: Large 2018-era analyses challenged the moderate-drinking benefit narrative, shifting expert framing toward less is better.

Good to know

  • All-or-nothing is optional: Routine culture's version is often harm reduction: weeknights first, pre-sleep drinks second, celebrations last.

  • Watch the data, not the dogma: A dry month plus a sleep tracker settles the question personally better than any headline.

Common questions

Does one drink really matter?+

For sleep, often yes: even single evening drinks suppress measured REM in many users.

What actually improves first?+

Sleep scores and morning energy, typically within the first two to four weeks.

Takeaway

Whatever the long-term epidemiology settles on, the short-term case is already visible in your own sleep data. Run a dry month and let the numbers decide.

Biohackers doing this (3)

Matthew WalkerNeuroscientist, author of Why We Sleep and host of the Matt Walker Podcast, and famously obsessive about his own sleep. He keeps a fixed sleep window every day including weekends, a cool dark bedroom, morning-only caffeine, and a deliberate wind-down, treating an eight-hour sleep opportunity as non-negotiable.
Kayla Barnes-LentzBiohacker and co-owner of LYV wellness clinics who documents her protocol publicly on the Longevity Optimization podcast. Her days are structured around circadian light, morning sun, evening blue-light blocking, sauna and cold contrast, red-light therapy, a whole-food organic diet, no alcohol, and clinician-supervised therapies she discusses openly.
Mark CubanEntrepreneur, Shark Tank investor, and founder of Cost Plus Drugs, which sells medications at transparent prices. His routine is deliberately simple and durable: an hour of cardio nearly every day, relentless reading, minimal meetings, and no alcohol, consistency over optimization.

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These habits are compiled from public statements and are not medical advice or endorsed by these figures. Consult a qualified professional before changing your routine, supplements, or therapies.