You can also receive the same alerts as a loved one, such as heart rate and irregular rhythm notifications. REM sleep is where you experience dreaming, and studies show it may play a key role in memory. During the Core phase, your muscle activity decreases and your body temperature drops. You’ll see your data on your watch in the Sleep app, including the amount of time you spent in each stage. 3.7By 2030, ensure universal access to sexual and reproductive health-care services, including for family planning, information and education, and the integration of reproductive health into national strategies and programmes.

• The Health app can incorporate data from tens of thousands of third-party apps that are designed to promote healthier habits — everything from nutrition to meditation to fitness.
• In one study, people with chronic insufficient sleep, set as six hours of sleep a night or less, were found to be