Pattern · Environment / Stimulants
Your pattern: Environment / Stimulants
Your answers suggest sleep environment and stimulant timing are the dominant issue — caffeine too late, light leakage, noise, or a partner/pet disrupting sleep.
01 · Framework
What's happening
Even small environmental disruptions — a notification light, ambient noise, a partner's movement — can fragment sleep without you fully waking.
02 · Framework
What the research suggests
Caffeine has a 5–7 hour half-life; afternoon coffee meaningfully reduces deep sleep that night. Blackout darkness and quiet improve sleep efficiency in controlled studies.
For informational purposes only. Individual results may vary. Not a substitute for professional medical advice, diagnosis, or treatment.