I've been sleeping bad the last couple days and I resorted to get an energydrink and coffee in the morning. The result was a sleepdrunk awake person, that barel

I've been sleeping bad the last couple days and I resorted to get an energydrink and coffee in the morning. The result was a sleepdrunk awake person, that barely functions. Pretty sure this sleep issue is because I take dinner too late in the evening (9-11pm)...