Same with me, recently I'm trying my best to sleep at least 7-8hrs coz I've been depriving myself to have an early rest lately.. indeed if we lack sleep we are digging our own grave.
When I am lack of sleep I'm always grumpy which is very bad to the people around me..hope you'll get over sleep deprivation :)
7-8 hrs is a good number, especially if that means going to bed and waking up with the sun too. Nobody wants to be grumpy 😉 I seem to have finally found a way to get proper sleep once again and it feels great.