37 Weeks and suffering from insomnia

Iris • 🤰🏻🧒🏻👨🏻‍🦲
Anyone has any tips for having a better night sleep.  I just keep waking up at 3 am and can't fall back to sleep until 7 or 8AM 😩. It is very frustrating. 37 weeks currently. Any tips would be great 👍🏻