Tiredness is exhausting!!

Is it just me who feels generally tired like all the time? I could get the best night's sleep however, I might wake up feeling refreshed but an hour later I will feel like I haven't slept in days! I LOVE sleeping but I don't like getting to sleep, I don't mind it on weekends but on school days it just feels like I'm clocking in for the night shift when I get into bed; don't get me wrong, it's comfy but knowing that I need to get up and face another day is just... discouraging, to say the least. It's worse when you feel annoyed as well, like no I don't want to do equations, solve your own problems maths; I feel like a therapist by the end of the period. Like if I'm talking to someone and the conversation isn't that great, I just start to doze off internally. It also feels like whenever I feel tired, that's all I can talk about.