I wake up earlier then my kid when I can and help him get ready like brush teeth, make breakfast on time and have him do some arts or computer. For bed time he usually sleeps around 9:30 or 10pm so I give him magnesium around 630pm and melatonin around 8:30pm (this you should talk to your pediatrician first) and turn all the lights off. We tried to keep consistent, but there are days that it doesn't goes as we want😅. It's either because he is hot (hot sleeper) like when the weather changes or when he had a bad day and now it's his hormones since he is an teenager😅 Hoe it helps😊

https://livingautism.com/autism-and-sleep-ten-p...

Visual Schedules and First-Then Boards

• Visual Schedules: Use picture cards, icons, or a wall checklist showing the exact sequence of events (e.g., bath → brush teeth → pajamas → story → bed). Allowing the child to look at or point to and move pieces through the steps themselves builds a sense of control and reduces verbal arguments.
• First–Then Phrasing: Direct, concrete language helps bypass processing delays: "First brush teeth, then read a book" or "First shoes on, then breakfast."

Timers and Advance Notice

• Countdown Warnings: Give gentle heads-up signals before a transition happens using visual timers, 5-minute verbal warnings, or musical cues. This stops a shift from feeling abrupt or surprising.
• Transition Rituals: Use a consistent song, a special toy, or a short dance to cleanly mark the end of one activity and the start of the next.

Bedtime Strategies

• Calming Sensory Environment: Dim the lights, turn off screens or loud electronics 30 to 60 minutes before bed, keep the room cool, and utilize comfort items like weighted blankets or soft stuffed animals.
• Repetitive Anchors: Keep the routine short (15 to 30 minutes) and identical every night so the repetition signals to the body that sleep is coming.
• Handling Night Waking: Keep middle-of-the-night interactions quiet, low-stimulus, and boring with minimal lights or talking.
For more structured toolkits and step-by-step frameworks, see the Autism Speaks Sleep Tool Kit and guidance on ABA-Based Routines from ASD Therapy Services

Autism and Sleep. Ten possible strategies. - Living Autism

https://livingautism.com/autism-and-sleep-ten-possible-strategies/

Add in extra time for mishaps and struggles. Like get up 20 minutes earlier if possible or start bedtime earlier.