Minimum calories

Maybe a dumb question. Is there a minimum intake of calories i should be shooting for? I just started doing IF and basically eating only dinner and then maybe a little snacking in a 5 or 6 hour window. Guessing I'm only getting 1000-1200 calories. Also, I have a hard time falling asleep if Im hungry. Whats the closest to bedtime I should be eating? via /r/intermittentfasting https://ift.tt/ZrqTsav https://ift.tt/x4TcGvV