I AM ON MUCINEX AND DOXY-CYCLINE AND NASAL SPRAY AND

I AM ON MUCINEX AND DOXY-CYCLINE AND NASAL SPRAY AND HUMIDIFIER, WARM,I'M UNDER DOCTOR KATHERINE BARRETT AT METRO HEALTH,FOR 14 DAYS,GOT ABOUT 7 MORE DAYS TO RID OF BAD HEAD CONGESTION,MY QUESTION IS THAT ONCE IN A WHILE ITS HARD TO SLEEP,2 HRS. AT ATIME ONLY.,DRAINAGE AND BLOCKAGE WAKES ME UP. WITH BLOCK SINUSES,BUT MOSTLY LIKE NOW I TRY TO SLEEP AND MY THROAT AND MOUTH GET DRY,REAL DRY WHEN TRY TO SWALLOW,I BEEN DRINKING TEA BUT DOESNT LAST LONG,ANY THING THAT CAN HELP ME COAT THIS PROBLEM AND GET SOME SLEEP.THANKS GLENN