NapHelp
Sleep less, rest better
napping and short-sleep science — timing, duration, and when naps backfire.
- Insomnia When Napping Makes Things Worse: Five Scenarios to Avoid Napping is not universally beneficial. Here are the specific situations where a nap deepens insomnia, increases fatigue, or masks a condition that needs attention.
- Timing The Best Time to Nap, According to Circadian Biology Your circadian rhythm creates two natural dip windows each day. Napping in the right one improves outcomes; napping in the wrong one fights your own biology.
- Duration Nap Length: Why 10, 20, and 90 Minutes Are the Only Numbers That Matter The science behind nap durations — why 10–20 min restores alertness, why 30 min causes grogginess, and when a full 90-min cycle makes sense.