Something else I just thought of after I logged off ...

It's never too early or too late to learn relaxation techniques so that they become almost second nature.

e.g. a simple breathing technique
Relax
http://www.schoolbehavior.com/disord...sorders/relax/

[Some of the advice below isn't necessarily for sleep problems that are tic-related and cover a wider age group than just children, but there is still some helpful information I think.]

Establishing Good Sleep Routines
http://www.tourettesyndrome.net/wp-c...eep_habits.pdf

more on this page if you scroll down to "Tips to Improve Sleep Patterns"
http://www.tsplusblog.com/2013/03/an...special-needs/