Before revision:  Data: We base our research on the analysis and comparison of two independent databases about the French cyberspace: a fine-grained temporal record of  YouTube videos and a large collection of Tweets on Covid-19 . Findings: In both datasets we observe a reshaping of the circadian rhythms with a substantial increase of night activity during the lockdown.
After revision:  Data: We base our research on the analysis and comparison of two independent databases about the French cyberspace: a fine-grained temporal record of almost 100 thousand YouTube videos and a large collection of Tweets on Covid-19 . Findings: In both datasets we observe a reshaping of the circadian rhythms with a substantial increase of night activity during the lockdown.