Is core sleep the same as deep sleep?
No. On your Apple Watch, core sleep (light sleep) and deep sleep are two separate stages. Core sleep is light and makes up the largest part of your night; deep sleep is the shorter, deepest recovery stage.
No. On your Apple Watch, core sleep (light sleep) and deep sleep are two separate stages. Core sleep is light and makes up the largest part of your night; deep sleep is the shorter, deepest recovery stage.