The pineal gland is a small gland in the brain, located just above the brain stem. It makes melatonin. Melatonin is a hormone that helps regulate the sleep-wake cycle. 
           
          
            
            
            
              
                
                  Current as of:  July 7, 2025
               
              
                
                  Author: Ignite Healthwise, LLC Staff
Clinical Review Board
All Ignite Healthwise, LLC education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
               
             
           
         
        
          
            
              Current as of: July 7, 2025