Diary of Nicholas II: 20 May/2 June 1918 -
"At 11 o'clock a service was held in the house; Alexei assisted, lying in bed. The weather is magnificent, and hot. It's unbearable to be locked up like this, and not to be able to go into the garden when we want to, or to spend a pleasant evening in the air. Prison regime !"
The Guards' Duty Log Book: 20 May/2 June 1918 -
"A request from Nicholas Romanov, former tsar, to be given work: clearing garden, sawing or cutting wood."
Diary of Nicholas II: 22 May/4 June 1918 -
"... Alexei is much better, his knee is very much less swollen. I had pains in the small of my back and in my legs and slept badly."
Diary of Nicholas II: 24 May/6 June 1918 -
"I was in pain all day from my haemorroids, and for that reason lay on the bed, as it made it easier to apply compresses..."
The Guards' Duty Log Book: 25 May/7 June -
" Doc. Derevenko was not received. Alexei was carried out for walk time. Were informed by doc. Botkin that, as a result of enlarged veins, Nikolai Romanov was unwell and had stayed in bed, where he was also fed."
The above extracts all from "A Lifelong Passion : Nicholas and Alexandra - Their Own Story" by Andrei Maylunas & Sergei Mironenko 1996 and 1997.
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I have read elsewhere that Alexandra took it upon herself to nurse Nicholas II personally - she had qualified as a nurse during the War. It is in character for her to have done so for her husband, although no doubt Dr. Botkin supervised.