Try looking into Power Profile and Power Management setting, likely you are on the high performance profile or the profile was set incorrectly. Also look into t

Try looking into Power Profile and Power Management setting, likely you are on the high performance profile or the profile was set incorrectly. Also look into the device manager and change the power setting for each devices, some device can turn on the computer and keep it awake through out the night. Even apps (I managed to find out why my computer keep awaking up in the middle of the night because of the particular app that have no reason to use the waketimer function).