# Sleep doctors in O'Fallon

> 1 sleep medicine specialists in O'Fallon, Missouri — with contact details and clinic affiliations.

Canonical: https://findsleepdoctors.com/us/mo/ofallon
Last updated: 2026-10-30

O'Fallon, Missouri, United States — sleep medicine doctors with verified addresses, phone numbers and clinic affiliations. Cost varies; confirm with your provider and insurer/health fund.

1 sleep specialists listed.

## Sleep doctors in O'Fallon

Looking for someone closer? Use the location search on the home page to sort every nearby practice by distance.

### Midwest Institute-Sleep

Sleep Medicine · Affiliated with Midwest Institute-Sleep · Phone: +1 636 229 8005

Profile: [view details](https://findsleepdoctors.com/us/mo/ofallon/midwest-institute-sleep)

## Sleep doctors near O'Fallon

- [O Fallon](https://findsleepdoctors.com/us/mo/o-fallon) — 1 doctors
- [Lake St Louis](https://findsleepdoctors.com/us/mo/lake-st-louis) — 1 doctors
- [Saint Peters](https://findsleepdoctors.com/us/mo/saint-peters) — 3 doctors
- [St Peters](https://findsleepdoctors.com/us/mo/st-peters) — 2 doctors
- [Wentzville](https://findsleepdoctors.com/us/mo/wentzville) — 1 doctors
- [St Charles](https://findsleepdoctors.com/us/mo/st-charles) — 1 doctors
- [Saint Charles](https://findsleepdoctors.com/us/mo/saint-charles) — 6 doctors
- [Ellisville](https://findsleepdoctors.com/us/mo/ellisville) — 3 doctors

## Frequently asked questions

### How do I find a sleep doctor near me?

Start with the list on this page — every sleep medicine doctor below was verified from a public source. Use the phone number or website on each profile to book; most practices ask for a GP referral first.

### What does a sleep doctor treat?

Sleep specialists diagnose and treat obstructive sleep apnoea, insomnia, narcolepsy, restless legs syndrome, circadian rhythm disorders and snoring-related problems.

### How much does an appointment cost?

Cost varies by practice, insurer and treatment. This directory does not publish prices — confirm the cost with the practice and your insurer or health fund before booking.

## Related
- [All sleep doctors in Missouri](https://findsleepdoctors.com/us/mo)
- [Sleep doctors in United States](https://findsleepdoctors.com/us)
- [Home](https://findsleepdoctors.com/)