great muscle relaxer i have been taking it since as needed i have had back surgerys and helps me sleep when i get muscle spasms at night i take it about minutes before i go to bed and when i awake in the morning i feel like i had a good night sleep and i dont feel drozzy in the morning i have takin other muscle relaxers in the past and felt drozzy when i awoke. thank god they invented . , soma high, 648,