Check to see if Hibernate or System Standby modes are enabled. I found that these never worked in Windows ME. That might be the cause of your problem. Just disable them.
Turning off the monitor or hard disks after 15 minutes or so is fine.
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
This poetic animation about monsters is illustrated in a Van Gogh painterly style
Apple predictions 2017
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.