Sleep Tight -

Use a firm pillow between your knees to keep your hips and spine aligned [5.7, 26].

Set your thermostat between 65–72 degrees for the best rest [21]. Sleep Tight

We are wishing them structure. We are wishing them a sanctuary that doesn't sag under the weight of the day. We are wishing them a suspension system that holds them up, rather than letting them fall. Use a firm pillow between your knees to

Etymologists often point to an older meaning of the word "tight," which meant "soundly" or "securely". In this sense, to sleep tight is simply to sleep deeply and well. Why Sleeping Tight Matters We are wishing them a sanctuary that doesn't

Sleep Tight: The Fascinating Science and History of Your Best Rest

Others suggest a more protective origin: in earlier centuries, people believed spirits or harm could come to those sleeping in the dark. Saying "sleep tight" was a way of wishing a loved one a night free from harm and full of security. The Science of "Tight" Sleep