I had an exam/test on 15th. For studying for it, I used to wake up early or stay up late night for the past 3-4 days. It was stressful. So I thought to myself, I'll sleep a bit more and slept for ~10hrs and oh god. It led to a very depressive/anxious mood. Made me more hyperaware. Anxious/negative thoughts increased, feeling more tired(not sleepy tired), exhausted, eyes feeling droopy. Also feeling wobbly. It feels like I'm doing things too fast and everything around me is slow. Thinking fast(too many thoughts), speaking fast which makes me stutter, and so on and feeling more fidgety and restless. All of this haven't even been a problem when I used to get only like ~6hrs of sleep. Does this happen to anyone else? Needless to say I was so free of anxiety for months or so