Circadian Rhythm 101: How Light and Timing Set Your Clock
Circadian rhythm 101: how morning light, meal timing, and exercise set your body clock, and what the evidence really shows about blue-light glasses and melatonin.
Sleep
How sleep quality, timing, and architecture affect health, cognition, and long-term wellbeing — what the research actually shows.
Sleep Architecture and the 4 Stages: N1, N2, N3, and REM
A science-based guide to sleep architecture and the four stages—N1, N2, N3, and REM—covering brain waves, memory, aging, and what improves sleep.
Sleep and Health: An Evidence-Based Guide for 2026
Evidence-based sleep health guide: how much sleep you need, what wearables reveal, CBT-I for insomnia, and the disease risks of poor sleep.
Sleep Quality and Neurogenesis: How Rest Grows Brain Cells
How sleep quality and neurogenesis connect: why continuity, REM, and deep sleep shape new hippocampal brain cell growth, and what rodent-to-human data can prove.