0 1 2 3 Thu 06 Dec 1956 Fri 14 Dec 1956 Sat 22 Dec 1956 Sun 30 Dec 1956 Mon 07 Jan 1957 Tue 15 Jan 1957 Wed 23 Jan 1957 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