0 1 2 3 Fri 07 Dec 1951 Mon 10 Dec 1951 Thu 13 Dec 1951 Sun 16 Dec 1951 Wed 19 Dec 1951 Sat 22 Dec 1951 Tue 25 Dec 1951 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