Netgear router"I need help, my heart pacemaker is cutting out!"
"Certainly sir, have you tried turning it off and then on again?"
"What?!?!?"
"Sorry sir, old habit, I used to work Technical Support at an Internet Provider."

ISP''s have a habit of re-routing, throttling, taking servers down for maintenance and otherwise messing with your Internet connection, Then the local exchange goes up and down. All together, your connection can suddenly behave less than reliably. 'Turning it off then on again' can effectively save you a lot of wasted effort for a simple fix. Read more of this post