Cold rooms—also known as cold-air dorms, ... “A cool environment helps maintain this drop, preventing overheating that can disrupt deep, restorative sleep,” explains Winnel.

Cold rooms are dark, chilly rooms in sorority and fraternity houses, ... A clean, simple environment can "minimize distractions, reduce stress, and promote relaxation," according to Winnel.

Is it better to sleep hot or cold? Here's what experts say about temperature and sleep, including tips for getting better sleep if you're a hot vs. cold sleeper.

A cold room may also increase your level of serotonin, ... To create a cool sleep environment, set the room temperature at 60-67 degrees Fahrenheit (15.6-19.4 degrees Celsius).