U.S. gallons are different from imperial gallons. 1 Imperial gallon is equal to 4.54609188 litres and 1 US gallon is equal to 3.78541178 litres. Liters on the other hand are t â¦ he same everywhere. One liter equals 0.26 U.S. gallon or 0.219 Imperial gallon.
Mental illness: Research Doctors & Specialists. Research doctors and specialists in general medical areas: Family Practice. Pediatrics (Child Health Specialist) Adolescent Medicine (Teen Health) Geriatric Medicine (Senior Health) Internal Medicine. Critical Care Medicine.
Rating Newest Oldest. Best Answer: Any type of doctor can perform these type of studies. What must be taken into consideration when dealing with sleep disorders and which type of doctor will be best suited to diagnose and treat a patient is, what is the root cause for the sleep disorder?. There are many causes for sleep issues.