Answer
1. RESTRICTIVE; no commas needed.
2. RESTRICTIVE; no commas needed.
3. NONRESTRICTIVE; commas are needed.
4. NONRESTRICTIVE; commas are needed.
5. RESTRICTIVE; no commas needed.
Try going to bed at a reasonable time.
I think its Less exspensive, because I have 4 music instruments, and ukulele was very cheap