Home › Sleep, Rest & Recovery

Sleep, Rest & Recovery

Rest is a skill with its own arithmetic: ninety-minute sleep cycles, screen breaks that protect your eyes, breathing patterns that calm you down, and a simple log that shows what your nights are really doing.

Tools in this category

• Sleep Cycle & Bedtime Calculator — Best sleep and wake times on 90-minute REM cycles.
• Screen Time & Eye Strain Timer — Browser-based 20-20-20 rule reminder timer.
• Box Breathing Visualizer — Interactive animated breathing circle to calm the nervous system.
• Sleep Duration & Quality Logger — Simple local-storage sleep-hours tracker, no database.

Guides in this category

• Box breathing for anxiety before big moments
• Box breathing vs other calm-down techniques: what each one is actually for
• Fixing a broken sleep schedule without a miserable week
• How to rate sleep quality honestly
• How to use box breathing at work without anyone noticing
• Napping without waking up groggy: the 20-minute rule and its exceptions
• Reducing evening screen time for better sleep
• The 20-20-20 rule explained for office workers
• Turning two weeks of sleep notes into better nights
• What a sleep log reveals that a tracker misses
• Why 90-minute sleep cycles matter more than total hours in bed
• Why your eyes burn after long screen days