![Nighttime Insomnia Symptoms and Perceived Health in the America Insomnia Survey (AIS)]()
Nighttime Insomnia Symptoms and Perceived Health in the America Insomnia Survey (AIS)Walsh, James K.; Coulouvrat, Catherine; Hajak, Goeran; Lakoma, Matthew D.; Petukhova, Maria; Roth, Thomas; Sampson, Nancy A.; Shahly, Victoria; Shillington, Alicia; Stephenson, Judith J.; Kessler, Ronald C. · Sleep · 2011