![Frontiers | In-Home Sleep Recordings in Military Veterans With Posttraumatic Stress Disorder Reveal Less REM and Deep Sleep <1 Hz Frontiers | In-Home Sleep Recordings in Military Veterans With Posttraumatic Stress Disorder Reveal Less REM and Deep Sleep <1 Hz](https://www.frontiersin.org/files/MyHome%20Article%20Library/359045/359045_Thumb_400.jpg)
Frontiers | In-Home Sleep Recordings in Military Veterans With Posttraumatic Stress Disorder Reveal Less REM and Deep Sleep <1 Hz
![Withings on Twitter: "Light sleep, deep sleep, REM sleep... how much do you really need? #TGIF https://t.co/CqSNGrhcPL https://t.co/9ZNAYe8DCc" / Twitter Withings on Twitter: "Light sleep, deep sleep, REM sleep... how much do you really need? #TGIF https://t.co/CqSNGrhcPL https://t.co/9ZNAYe8DCc" / Twitter](https://pbs.twimg.com/media/ChzloLBXIAE-78m.jpg)
Withings on Twitter: "Light sleep, deep sleep, REM sleep... how much do you really need? #TGIF https://t.co/CqSNGrhcPL https://t.co/9ZNAYe8DCc" / Twitter
![Evening light environments can be designed to consolidate and increase the duration of REM-sleep | Scientific Reports Evening light environments can be designed to consolidate and increase the duration of REM-sleep | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-022-12408-w/MediaObjects/41598_2022_12408_Fig1_HTML.png)