0 1 2 3 Fri 08 Jul 1949 Mon 11 Jul 1949 Thu 14 Jul 1949 Sun 17 Jul 1949 Wed 20 Jul 1949 Sat 23 Jul 1949 Tue 26 Jul 1949 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All