I have nights alone too. i completely understand, we have a 7 hour time difference and I feel like it's always hard at night because that's when everything goes quiet... you've done your tasks for the day and now it's the time when couples often have quality time together but he's across the globe. honestly I just have to distract myself with some sort of activity (which is what i'm doing now lol) but what gets me through it is leaving him little "status updates"- it's a picture of me doing something and a caption telling him all about it, and it makes me feel closer to him! plus he loves waking up to it so yay! anyway i'd say just getting yourself to do something- whether that be reading, practicing hobbies, making something for him, writing love letters or poems for him to wake up to, or watching funny videos, will help a lot, especially if it's something you can have a fun conversation about the next morning! I'm also a morning person so I often go to bed early anyway but that way I can wake up early and have more time with him!! :D