I have two cats. They both meow over the course of the night (one meows when he's bored around 2am or so, and the other when she's hungry around 5:30am). Do you sleep with your bedroom door open? We sleep with ours closed, and we have a fan on for white noise, and that usually helps. FI gets up at 5am and I get up at 6. Sometimes I can hear the meowing after FI gets up, but it's not so loud that I can't get back to sleep.
I've noticed my cats being more affectionate over the last few days. I read somewhere that animals are very perceptive to hormonal changes in a person's body, so I'm sure that has something to do with it.
I hope you can find something that helps you sleep! Good luck.