Thanks for all the replies. The tape I use certainly reduces leakage but still not feeling any fresher after 8 hours sleep. Then again I have a cardiac issue where arteries are partially blocked which causes constant fatigue during the day. The 2 'sleep specialists I had consultations with and 2 sle...

It appears according to my wife that when I sleep, with mask fitting well, my mouth is constantly opening.I wake up with little energy, long time user.Its been suggested I place 3m surgical tape across my mouth.Thoughts ?