Some devices get disconnected from wireless network, wired devices work fine.

Some times one of my wireless devices (laptop, firestick, phones) would get disconnected from the wifi. They're all on the 5GHz network. I don't have many devices connected to the router either. Maybe 3-5 wireless devices connected at a time, as well as 3 wired connections (2-3 at at time). However, the wired devices never loose connectivity. One thing I noticed; once I tried I disconnecting my phone from the wifi, then my laptop (which couldn't reconnect to the wifi like normal after I turned it on) reconnected after a minute or two. Not sure if that was by chance or if disconnecting my phone did the trick. I've tried power cycling the router, but no luck. Any ideas? Suggestions?

Thanks in advanced!