Attention
Sleep loss slows reaction time and makes lapses in focus more likely, which is why drowsy driving is so dangerous.
Read more →From the physician behind EusomniaMD
Sleep is the brain's maintenance shift.
Attention, memory, mood and decision-making all ride on what happens overnight. Sleep Cognition explains how sleep shapes the thinking brain, and what to do when it stops working.
Performance starts at night
A busy mind at bedtime is a pattern you can change.
Evidence-based tools, explained by a sleep physician.
Topics
How sleep and thinking connect
Two systems
Sleep drive and your body clock
Sleep pressure builds while you are awake; the circadian clock decides when sleep can happen.
Learn the model
Light
Morning light sets the clock
Timed light exposure is one of the strongest levers for shifting a stuck sleep schedule.
Read about light
Architecture
What a normal night looks like
Sleep cycles through light, deep and REM stages several times a night.
See the hypnogramWhy it matters
Poor sleep is a cognitive problem
Memory
Sleep supports the consolidation of what you learned during the day.
Read more →Mood
Insomnia and mood problems feed each other. Treating insomnia directly often helps both.
Get evaluated →Brian Harris, MDFounder and Medical Director, EusomniaMD
- Sleep medicine: ABIM and ABA
- Anesthesiology: ABA
- Addiction medicine: ABPM
- California medical license A 100114