While humans have slept outdoors since long before tents were invented, they do add a bit of comfort. It comes in blue.
Pop-Up Beach Tent - Instant Shade Canopy w/ UV Protection by Wakeman Outdoors Fiberglass in Blue | 55 H x 52 W x 87 D in | Wayfair
QVC
Wakeman Pop Up Beach Tent and Sun Shade in Blue