Sleep Issues

Every night the babies go to bed at 7:45. This is a good bedtime, and they usually go right to sleep. Staying asleep is the problem. It seems like almost every night, one of the babies (usually Jake) wakes up about 45 minutes after falling asleep. They aren't hungry, so that isn't the problem. But they WILL NOT go back to sleep for at least an hour or two. I know they are tired. I can see it in their eyes. Maybe they just need extra cuddle time. Jake is in my lap awake as I write this. I wish I could install an on/off button. I know he needs to sleep, he just won't do it. My poor little sleepy guy.