# Sleep doctors in O'Fallon

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

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

O'Fallon, Illinois, 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.

### The Sleep Disorders Center

Sleep Medicine · Affiliated with The Sleep Disorders Center · Phone: +1 618 628 2502 · Website: https://memhosp.org/sleep-disorders-center/

Profile: [view details](https://findsleepdoctors.com/us/il/ofallon/the-sleep-disorders-center)

## Sleep doctors near O'Fallon

- [O Fallon](https://findsleepdoctors.com/us/il/o-fallon) — 2 doctors
- [Shiloh](https://findsleepdoctors.com/us/il/shiloh) — 3 doctors
- [Belleville](https://findsleepdoctors.com/us/il/belleville) — 4 doctors
- [Maryville](https://findsleepdoctors.com/us/il/maryville) — 1 doctors
- [Glen Carbon](https://findsleepdoctors.com/us/il/glen-carbon) — 1 doctors
- [Centreville](https://findsleepdoctors.com/us/il/centreville) — 1 doctors
- [Sauget](https://findsleepdoctors.com/us/il/sauget) — 1 doctors
- [Edwardsville](https://findsleepdoctors.com/us/il/edwardsville) — 1 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 Illinois](https://findsleepdoctors.com/us/il)
- [Sleep doctors in United States](https://findsleepdoctors.com/us)
- [Home](https://findsleepdoctors.com/)