Share on Pinterest New research suggests how well you believe you’re sleeping at night can affect your mood and life satisfaction more than what the data from a sleep tracker tells you.

"Simple changes like sticking to a regular bedtime, reducing screen time before bed and avoiding caffeine in the afternoon can help," says Shelby Harris, a clinical psychologist and director of sleep ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Max Genecov is a doctoral candidate in ...

An over-the-counter sleep aid can help promote a restful night of sleep, but should it be your first option? Learn what sleep experts say. Our editors independently select these products. Making a ...

Is sleeping seven hours a night enough? Sleep doctors explain how much sleep you need and how to get a better night's rest. We all know that sleep is important, and most of us probably aspire to get ...