0 1 2 3 Sat 03 Dec 1949 Tue 06 Dec 1949 Fri 09 Dec 1949 Mon 12 Dec 1949 Thu 15 Dec 1949 Sun 18 Dec 1949 Wed 21 Dec 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