My grandfather passed away quietly in his sickbed.
病床の父を見舞うために毎日病院に通った。
I went to the hospital every day to visit my father, who was bedridden.
His illness worsened and he took to his sickbed.
My grandfather has been confined to his sickbed for a year now.
I went to visit my friend at his sickbed.
She finished writing her last novel from her sickbed.