To snooze the current tab, click on the toolbar icon and then select a wake up time. The tab will close itself and will reopen at the designated time. Features:

Specify a relative wake up time (e.g. 1 hour later)
Specify an absolute wake up time (e.g. 10:00 am)
Add a reminder message that appears when the tab wakes up
Restores the tab's history if the tab was recently closed
Snooze multiple tabs at once by ctrl+clicking on multiple tabs
View a list of all your snoozed tabs with their wake up times
Quickly snooze a tab by right clicking on the toolbar icon (choose 1 hour later, 5 pm, 9 am tomorrow, or 1 week later)
Restores incognito tabs and container tabs
This extension requires very few permissions

Use cases:

Remind yourself to view something in the future
Avoid having too many tabs obscure your vision
Turn tabs into a todo list

Speed tips:

Double click on the calendar's selected date/time to confirm and quickly close the popup.
If you select a time that is earlier than now, the date picker will automatically jump to tomorrow's date.
If you type a number that is over 60 in the minutes box, it will automatically put the excess into the hours.
Press the keyboard's Up/Down button while inside the minutes box to increase/decrease the minutes.
If you are inside any text input box, press enter to confirm and close the popup.
If you want to quickly select the last used snooze time, right click on the toolbar icon and select the option with the star.
Use the keyboard shortcut Ctrl-Shift-1 to open the popup and immediately start typing minutes.