Arrey same to same here ... Raat ko before sleeping I set to Aeroplane Mode and turn on Power Saving .. morning when I wake up after about 7 hours the battery has drained by 18% .. unless I am sleep walking and using the phone 

Yup same here .. I sent logs to beta not nothing as yet.The battery drains even when it's on Aeroplane mode and no apps running in the background. Infact I have put each and every app into battery deep sleep including Maps and all Google services and...