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Sleep Specialists in Houston, Austin, Sugar Land & The Woodlands ...

Sleep MedicineSugar Land, TX

★★★★★4.7/5201 reviews across 2 platforms

Ratings by platform

  • rater8 (Southwest Pulmonary and Sleep Center): 4.9/5 (185 ratings)
  • Google Reviews (Critical Care Medicine/Sleep Clinic): 2.2/5 (16 reviews)
  • Better Business Bureau (Comprehensive Sleep Medicine Associates): C+ (Not specified (BBB rating))

What patients say

Patients praise

  • High satisfaction with clinical expertise and effective diagnoses
  • Doctors described as knowledgeable, informative, and patient-focused
  • Some clinics noted for cleanliness and minimal wait times
  • Reports of significant improvement in sleep conditions after treatment

Common complaints

  • Reports of rude or unprofessional office staff
  • Difficulties with appointment scheduling, follow-ups, and communication
  • Concerns regarding administrative delays, insurance handling, and billing disputes
  • Occasional complaints about doctor bedside manner or perceived lack of thoroughness
  • BBB profile noting failure to respond to a complaint

In patients' words

"Phenomenal Sleep Specialist! After months of uncertainty, we finally received the right diagnosis from Dr. Bashar Zleik."

Provider Match Review (Dr. Bashar Zleik)

"I would definitely do NOT recommend any one to come here or bring a family member... The ladies at the front desk where rude."

Google Review (Sleep Clinic Sugar Land)

"Very unprofessional office, no one answers emails, calls, or texts After the consultation, they missed my follow up appointments twice."

Healthgrades (Dr. Olatunji Olaoye)

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6][7][8].

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