0 1 2 3 Wed 18 Dec 1957 Thu 26 Dec 1957 Fri 03 Jan 1958 Sat 11 Jan 1958 Sun 19 Jan 1958 Mon 27 Jan 1958 Tue 04 Feb 1958 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