[belushka]

Quote:

XBA-1 stick straight out of the ear, they won't work for lying sideways

you stick'em in

 

[Brooko]

Quote:

Shure and Westone models come to mind here.  Same with Phonak. 

 
This ^
 
Have used the Shures many times on long haul business flights (business class so flat beds)  I can sleep with the Shures in (low volume).  Never had any issues with discomfort.