I really can't stress enough how important a good night's sleep is. I've struggled with insomnia for years and am only now getting it under control thanks to meditation, relaxation exercises, etc... These two books [1, 2] were the starting point for getting me back on track to falling asleep faster and staying asleep longer (especially important now with a small baby)

[1] https://amzn.to/3Io4NGy

[2] https://amzn.to/3Y5XKIN