I went to bed at midnight

I went to bed at midnight, didn't fall asleep.
Me acosté a la medianoche y no pude dormir.
Before, I went to bed at midnight and at 5:00 am I was already up.
Antes me acostaba a la media noche y a las 5:00 am ya estaba de pie. Me preguntaba ¿qué hago?
I went to bed at midnight and woke up at 7 am.
Me acosté a la medianoche y me desperté a las 7 am.
I don't know why I'm tired. Yesterday I went to bed at midnight.
No sé por qué estoy cansado. Ayer me fui a dormir a la medianoche.
Palabra del día
nevado