How Important Is Sleep? And Why Is a Sleep Test Necessary? | World Sleep DayInformation byDr. Somyos WanichapolBangkok Hospital Rayong Updated on: 21 Jan 2026Dr. Somyos WanichapolBangkok Hospital Rayong Bangkok Hospital Rayong Updated on: 21 Jan 2026Information byDr. Somyos WanichapolNeurology, Family MedicineDr. Somyos WanichapolNeurology, Family MedicineProfileCallFor more information, please contactBrain and Nervous System Disease CenterBuilding A, 1st FloorOpen daily from 08:00 AM to 08:00 PM.038-921-927038-921-999Brain and Nervous System Disease CenterRelated DoctorsSee all doctorsHealth InfoMore health infoHealth InfoSTROKE Beware of “STOP” Recognize Early, Treat Fast – Prevent ParalysisUnderstand and Manage Migraine A Preventable Headache DisorderGet to Know “World Stroke Day” | Bangkok Hospital Rayong More health info