I think I may have insomnia..?

for the past week or 2 i cant sleep. i lay and bed and cant stop thinking. i feel like crap and unrefreshed no matter when i waake up. and im always tired when i try to sleep, but i cant. every quiz i took said i may have mild (5 or 6 out of 10) insomnia, but i dont know. ontop of that, i think my mom wont belive me if its true, shell just say " oh, its probably your sugar glider cuz shes noisy" but its not. i went to another room to sleep in my parents bed when they went outta town and i couldnt sleep. i sleep in the dark and its nice setting and calm, but i cant sleep!!!! and when im lucky enough to fall asleep, im either awoken by a noise (im a light sleeper) or i just plain wake up! then i cant go back to sleep but if i can, it just happens again in like an hour or so. gelp? am i just going overboard about thinking i have it or do i have a problem? *i also have deppresion thats not getting help, for the record.