The desire for, or occurrence of, more sleep during winter may have to do with how light fluctuates throughout the year, or with the behavioral and mental health changes that can result.

People with difficulty sleeping have longer REM cycles in the winter, suggesting that they are more tired in the colder months, according to a new study. Getty Images/iStockphoto.

If you find it difficult to get good-quality sleep during the winter months, you’re not alone. We look at why the season affects our slumber and what we can do to get a good night’s rest.

Most Americans say they sleep more in the winter, but experts say there is no conclusive evidence that the amount of sleep we need changes with the seasons. Skip to end of carousel.

Experts recommend that adults sleep an average of 7 hours or more per night. This is important because there are several benefits to getting enough quality winter sleep.. Stronger immune system ...

How deep sleep clears a mouse's mind, literally. ScienceDaily. Retrieved June 11, 2025 from www.sciencedaily.com / releases / 2025 / 01 / 250108143735.htm. Cell Press.