People say reading something boring does it, but for me it's about cognitive overhead. Something that'll make some part of the brain go "I'm too tired for this shit actually, if you wanna read this we've got to sleep a bit first, you do want to read this ergo we are going to sleep now"
If you want to explore the community more, I recommend reading the Library, checking recent Curated posts, seeing if there are any meetups in your area, and checking out the Getting Started section of the LessWrong FAQ.
The Open Thread sequence is here.