Insomnia Support Group
Insomnia is a symptom, rather than a disease, and is characterized by inadequate quantity or quality of sleep. People with insomnia complain of difficulty falling or staying asleep, which results in significant impairment of daytime functioning. Insomnia is categorized as transient (shorter than one week), short-term (one to three weeks) or chronic (longer than three...
My daughter was born in 2016 and she started sleeping through the night at two months. Ever since then my sleep pattern has completely changed. The earliest I go to sleep is between 12-2am. The latest is 5-6am and it's usually the latter. Lucky for me my daughter doesn't wake until around 10am every morning so I get at least 4 hours of sleep.
Presuming you want to sleep at night again, one thing you can try is setting and keeping a very consistent wake time at your preferred time 7 days a week. If you're not drowsy at your normal bedtime, stay up until you do feel sleepy. But stick with that wake time, do not allow yourself to sleep in, and avoid napping.
With this kind of circadian consistency over time -- and it may take several weeks -- you stand to significantly strengthen your sleep system.