As well as the fire risk from having a phone under the pillow, I definitely wouldn't want to have a phone or similar device so close to my head all night, not even occasionally, let alone every single day!
Mine is left downstairs at night, but not charging, except for the occasional oversight when I forget to disconnect the charger 
What a difference a day makes 😢😢
Favourite small treat when feeling blue or conversely a bit flush
. .