Hello, I Think I Have Problems With My Sleep. I

Hello, I think I have problems with my sleep. I normally go to sleep around 9-10pm and I wake up around 7-8am which I think is appropriate, however later on throughout the day I feel really sleepy and it normally goes around the same time, around 2pm and it really disturbs me during school and stuff, i’m not sure if this is normal or not but it’s really leaving me unfocused and constantly tired at random times and I thought I’d check to see if it’s just me