My Brother, My Brother And Me - 3 brothers giving not-so-serious advice to listeners, reacting to questions from Yahoo Answers (when that was a thing), and later adding other segments, and overall being funny/silly (caveats: sometimes they make references that go over your head if you're not a midwestern American who grew up in the late 80's/early 90's, but they're still enjoyable. The podcast might have dropped in quality around episode 360.)
My Dad Wrote A Porno - 3 people reacting to an "erotica" book series that one of the guys' dad published (I would say that the books are maybe only 5%-20% explicit, depending on the chapter) (caveats: some of the characters' voices that the narrator does can be annoying/grating, and he also tends to repeat sentences after the other 2 react to them instead of picking up where he left off, which can be annoying as well, but overall it is very entertaining)
No Such Thing As A Fish - the behind-the-scenes staff of the show QI bring up interesting facts and tidbits from history/nature/etc. (each episode is split into 4 parts where each member brings up a fact and the others react to it and bring up related facts) (caveats: some episodes like the live ones/ones with guests can be less entertaining, also sometimes one person would interject with their own knowledge while not giving enough room for the conversations about the other subjects to end naturally)
SmartLess - each episode Jason Bateman and Will Arnett (Arrested Development) and Sean Hayes (Will & Grace) interview a famous person where only one of the hosts known who it is beforehand (it gets better after the first few episodes, though some conversations are less funny/entertaining than others)
If I Were You - Jake & Amir from CollegeHumor giving advice to listeners (sometimes in a sarcastic/tongue-in-cheek way and sometimes genuinely), mostly about relationships/dating
If you watched The Office (US) - Office Ladies - Jenna and Angela from the show reacting to each episode of the show and bringing up behind-the-scenes stuff (some of episodes include interviews with other cast members/staff) (might not be as humorous as the others but still fun to listen to)
Lights: Switching to light sources/bulbs with lower brightness/warmer light temperature (lower Kelvin/K-value) 3 hours before bed. (Light affects our sleep-wake cycle, aka the circadian rhythm. Our brain processes bright light as "the sun is still up so it's not time to sleep yet")
Screens: Gradually dimming electronic screens until bedtime (Computer: using F.lux and lowering the brightness gradually in the graphics card's control panel. Phone: with a built-in Night/Dark Mode option that you can schedule or by using an app like Twilight). // Don't take your devices to the bedroom, or keep them far away from the bed and set them on silent/shut them off.
Try not to sleep for more than 8 hours so you'll need the sleep the next night.
Sleeping in a closed and completely dark room (including covering LED lights on electronics, or using a face mask) with something that makes a white noise (fan/air purifier/etc.)
Food: Having a light meal 3-3.5 hours before bed and light snacks 1.5-2 hours before bed, to not put the body into overdrive digesting a heavy meal or cause heartburn/indigestion, and also to not go to sleep hungry and get distracted by that.
If you sleep on your stomach with your head to the side, you can use a thin and narrow side pillow (but firm) along your torso to support your shoulder on the side that your head is pointing to. (you can also use a thin pillow for your head to not strain your neck/spine - there are ones made for kids if needed)