for days on end

I considered how, for days on end, I’d cried in the shower, doubled over in heartache.

He stewed in it for days on end, unable to shake it loose.

When these sort of strengths continue for days on end, it can prove incredibly difficult for the emergency services to contain the fire.

Finns are asked how they would cope without power for days on end with winter temperatures as low as -20C.

“Unfortunately the likelihood of someone surviving that kind of inclement weather for days on end is slim.”