How are you anchoring the
silistretcher? Waist belt, calf band, between-the-cheeks, or around your neck?
if you're having no trouble during the day, perhaps lowering the tension at night might keep it from being bothersome. Small irritations often get larger at night when there's less to distract you. The
Size Doctor is going to pull just as hard as the others.
"Restless leg syndrome" is also associated with sleep apnea. Signs of sleep apnea are poor sleep, tiredness during the day, waking up frequently at night, sudden gasping while asleep, or complaints from bedmates about hog noises. If you're over 30 and your insurance covers it, it's worth being tested just on general principles. It used to involve a monitored hospital stay while wired up like an astronaut, now they just send you home with a face mask and a magic box that monitors your breathing.
There are a number of health problems that can be caused or exacerbated by sleep apnea, but the end result can be a heart attack. That's how I found out I had sleep apnea. "Not recommended; do not play."