Sleep

Recurring dreams may feature taking a test the dreamer didn’t study for, having to make a speech or being attacked. Here’s why our sleeping brain comes back to these unpleasant dreams again and again

The winter solstice is the culmination of a period every year when each cell in our body literally craves more light

“Engineering” sleeping consciousness could reduce nightmares, treat insomnia—and even induce specific dreams just for fun

Short sleepers cruise by on four to six hours a night and don’t seem to suffer ill effects. Turns out they’re genetically built to require less sleep than the rest of us

From the “sleepy girl mocktail” to power naps, researchers explained which sleep trends this year really help with quality shut-eye

Many parents choose sleep training to get their babies to sleep through the night. But the evidence supporting it is flawed

Scientific American staff and sleep experts share advice on how to get better sleep in the stressful days leading up to the U.S. presidential election—and those that come after

Despite conflicting advice, letting your baby “cry it out” can help parents and babies alike

You say you haven’t slept all night. Brain scans say you have. New science says both inferences may be right

Scientific American asked experts whether sleeping on a hard surface is actually beneficial for back pain

For some parents, bed-sharing is the only way their baby can sleep. Rather than talking to parents about how to do it safely, we try to pretend it doesn’t exist

A quick nap can boost your memory, your mood and even your creativity