Verywell Health on MSN19h
The 4 Stages of Sleep: What Happens During Each Cycle
REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.
6abc News23h
AccuWeather: Chilly start to the week in the Philadelphia region
It remains damp and chilly with some scattered showers into the afternoon, especially south of the city. TUESDAY: The sunshine returns, but it's a windy and chilly day with 35-40mph gusts possible.