I am not claustrophopbic, but now that I can't talk and have a lot of spit, I'm a bit worried about staying the 20 minutes strapped into my mask during TomoTherapy.

What is the best way to stay clear for a 20 to 30 minute period of time?

Has anyone had this type of problem? Input appreciated.

51 years Old. Non smoker. Light wine (well in a few more months). T2N2bM0 SCCHN Base of Tongue. Ripped 33 Lymph Nodes via surgery. 35 TomoTherapies Total, 1 Chemo each week. Cysplatin. Last treatment 2/18/09.