0 1 2 3 Sun 28 Dec 1947 Fri 02 Jan 1948 Wed 07 Jan 1948 Mon 12 Jan 1948 Sat 17 Jan 1948 Thu 22 Jan 1948 Tue 27 Jan 1948 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