by mwadmin | Jul 16, 2026 | Sleep Science
Sleep efficiency is the percentage of your time in bed that you spend asleep. If you are in bed for eight hours but sleep for six and a half, your sleep efficiency is about 81%. That number can be useful because it separates “time available for sleep” from “time...
by Max | Jul 15, 2026 | Sleep Science
Article body Wake after sleep onset, often shortened to WASO, is the total amount of time you spend awake after first falling asleep and before your final morning wake-up. If you fall asleep at 10:30 p.m., wake for 20 minutes at 2:00 a.m., wake again for 10 minutes at...
by Max | Jul 14, 2026 | Sleep Science
Article body Sleep latency is the amount of time it takes to fall asleep after you are trying to sleep. If you get into bed, turn out the light, and fall asleep about 15 minutes later, your sleep latency is roughly 15 minutes. For many adults, falling asleep in about...
by Max | Jun 29, 2026 | Sleep Science
What chronotype means Your chronotype is your natural tendency to feel sleepy, alert, hungry, and mentally sharp at certain times of day. Most people think of it as being an “early bird” or a “night owl,” but real life is usually less dramatic. Many people sit...
by Max | Jun 27, 2026 | Sleep Science
If your sleep tracker says you spent most of the night in light sleep, it can feel like you failed some secret overnight exam. The reality is less dramatic: light sleep is a normal, necessary part of sleep, and deep sleep is only one piece of the recovery puzzle. A...
by Max | Jun 16, 2026 | Sleep Science
Why morning light matters for sleep Morning sunlight is one of the simplest signals your body uses to keep sleep and wake timing on track. It does not work like a sleeping pill, and it is not a cure for insomnia. But consistent light exposure in the first part of the...