Feature Special Sleep Issue : PDF Download page Share this: Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print By Science News October 9, 2001 at 2:52 pm - More than 2 years ago All files are saved as PDFs. Please download Adobe’s Acrobat Reader to view these files.Sleep Special : Complete PackageHigh Quality (17MB) | Low Quality (2MB) The Why of sleep (Tina Hesman Saey) / All Kinds of Tired (Susan Milius)High Quality (6.7MB) | Low Quality (1.1MB)Sleep gone awry (Laura Sanders)High Quality (2.5MB) | Low Quality (268KB)Dying to sleep (Tina Hesman Saey)High Quality (7.9MB) | Low Quality (716KB)