It is 2 a.m. and you are wide awake. Every instinct says to stay put, keep eyes closed, and wait it out. Research suggests those instincts may be worth reconsidering.
Behavioral sleep specialists describe effort as the enemy of sleep. The harder the mind works at forcing it, the more alert and frustrated it becomes. The counterintuitive recommendation is to get up, leave the room, and do something enjoyable until sleepiness returns naturally. Known as stimulus control, the technique protects the association between bed and sleep rather than eroding it through tossing and turning.
Understanding why sleep can resist our best efforts begins with evolutionary history. In his research on sleep evolution, anthropologist David Samson suggests we were never wired for isolated, uninterrupted eight-hour blocks. Ancient ancestors slept in groups around fires in dynamic environments, their rhythms shaped by natural light cycles, social connection and a shared sense of safety that modern sleep culture has largely replaced with controlled conditions and blackout curtains.
What most of us have lost is a natural relationship with light: morning sun, reduced artificial light after dark, and time spent outdoors help calibrate the circadian rhythms that govern when sleep arrives and how restorative it becomes. Both modern science and ancient history point toward the same encouraging conclusion: working with our natural rhythms, rather than overriding them, may be the most restorative sleep choice of all.
It is 2 a.m. and you are wide awake. Every instinct says to stay put, keep eyes closed, and wait it out. Research suggests those instincts may be worth reconsidering.
Behavioral sleep specialists describe effort as the enemy of sleep. The harder the mind works at forcing it, the more alert and frustrated it becomes. The counterintuitive recommendation is to get up, leave the room, and do something enjoyable until sleepiness returns naturally. Known as stimulus control, the technique protects the association between bed and sleep rather than eroding it through tossing and turning.
Understanding why sleep can resist our best efforts begins with evolutionary history. In his research on sleep evolution, anthropologist David Samson suggests we were never wired for isolated, uninterrupted eight-hour blocks. Ancient ancestors slept in groups around fires in dynamic environments, their rhythms shaped by natural light cycles, social connection and a shared sense of safety that modern sleep culture has largely replaced with controlled conditions and blackout curtains.
What most of us have lost is a natural relationship with light: morning sun, reduced artificial light after dark, and time spent outdoors help calibrate the circadian rhythms that govern when sleep arrives and how restorative it becomes. Both modern science and ancient history point toward the same encouraging conclusion: working with our natural rhythms, rather than overriding them, may be the most restorative sleep choice of all.