While working regular hours no doubt has its benefits, it is not always a viable option, particularly so in the current scenario. Given that we are confined to our homes, it can get monotonous. This can cause productivity to diminish. So, a break from routine can help boost cognitive capacity . Maintaining regular hours can also be an issue for those who live with people in need of tending , like children or elderly people. In quarantine trying to manage both your own work and attempting to teach your children their work can be an immense challenge. 
Inability to meet deadlines can trigger anxiety and cause one to feel stuck.