Right to disconnect: Is it legal for Spanish bosses to contact workers out-of-hours?

The increasingly online world means that we can work remotely and call colleagues from across the globe, but it can also make us constantly contactable. So can bosses in Spain contact you out of hours?

Right to disconnect: Is it legal for Spanish bosses to contact workers out-of-hours?
The increasingly online world means that we can work remotely and call colleagues from across the globe, but it can also make us constantly contactable. So can bosses in Spain contact you out of hours?