We cycle through these approx 90 minute stage 4-7 times each night
{"Image DocumentName": "We cycle through these approx 90 minute stage 4-7 times each night", "Image ImageDescription": "Closer to morning, more time in stage 1,2, and REM. Babies sleep more (18 hours) and have more. Functions of Sleep: Discovery Education D62-49FA-BEF9- 5EA2215CA8AF&blnFromSearch=1&productcode=US.  B160-3D62-49FA-BEF9- 5EA2215CA8AF&blnFromSearch=1&productcode=US.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}