Works by applying pressure to the body to help the person relax, fall asleep faster, easier and for a longer period of time. These blankets have helped individuals with a variety of neurological disorders such as Anxiety, PTSD, Insomnia, Autism, SPD, etc. Determining Weight Recommendations by a Licensed Therapist: 10% of your body weight plus an additional 1 to 2lbs. This will ship in 3-5 business days.