I feel like I will go mad. I'm desperately trying to get to sleep but I feel like I am sleeping under a jet engine. Upstairs neighbours I assume have some sort of mobile AC unit on. It's a non stop engine sound above my head. I have a series of really critical meetings tomorrow. I feel like my brain is on fire. Can't sleep in the living room as my settee has got cat wee smell activated by the heat (I'll save that for another thread). I've listened to 2 hours of podcasts and have had the pillow over my head for the last 30 minutes. Help.