Blog
Bedroom temperature and sleep quality: what range supports recovery?
Bedroom temperature affects sleep quality, HRV, and recovery. Learn the best range by age, season, bedding, and wearable sleep pattern.
Blue light at night vs morning light: which matters more?
Blue light at night vs morning light is not an either-or choice. Learn which light habit matters most for sleep, circadian timing, and recovery.
Exercising at night and sleep quality: when timing backfires
Exercise at night can help or hurt sleep quality depending on intensity, timing, and recovery. Learn when evening workouts backfire and what to track.
How much noise during sleep is too much?
Noise during sleep is too much when it fragments sleep stages or recovery. Learn dB thresholds, bedroom testing, earplugs, and masking rules.
Blue light and circadian disruption: How screens are aging you at night
Blue light at night can suppress melatonin, shift circadian timing, disrupt sleep, and affect metabolic health. Learn the evidence and fixes.
Body temperature and sleep: How the circadian curve controls your rest
Learn how body temperature shapes sleep, why the circadian cooling curve matters, and which room, bath, and light habits support deeper rest.