Stages of sleep
An average sleep cycle lasts about 90 minutes. Ideally, you need four to six cycles of sleep every 24 hours to feel fresh and rested. Each cycle contains four individual stages: three that form non-rapid eye movement (NREM) sleep and one rapid eye movement (REM) sleep. While the time spent in each stage varies the longer you’re asleep, and you might bounce between stages each night, each individual stage remains largely the same.
Hi, we'll ensure you that it will be considered as a feedback and value your time contacting us. We certainly bring it to our team for further review.
Also, we suggest you to please send us an error report by following the below steps:
Launch the Galaxy Wearable app and tap the 'more' >> Tap 'Contact us' and then tap 'Error reports' >> Select device >> Next >> Describe the issue accurately and in detail >> Make sure 'Send system log data' is ticked >> Send your error report.
An expert from the Samsung Members team will try and respond to the report as quickly as possible.
Sleep cycle count is key to brain health (glymphatic drainage)
We are supposed to aim at more sleep cycles, but this metric is buried and no advice in the app shows why I score 3 vs 4 from one night to another.