SleepCycler
8 hours of sleep, still exhausted? You're waking mid-cycle
1 follower
8 hours of sleep, still exhausted? You're waking mid-cycle
1 follower
Most sleep calculators just spit out times with no explanation. SleepCycler shows you exactly why each bedtime works — based on 90-minute sleep cycles, your age group, and a 15-minute fall-asleep buffer. Features: bidirectional calculator (wake time or bedtime), Sleep Now button, Sleep Debt Calculator with 7-night tracking and recovery plan, and a full sleep science blog. Free, no signup, no ads.
Free
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Viktor.comAn AI coworker that actually does the work
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