Astragal can feel himself becoming a grumpy old man, harrumphing at the younger generation. What is wrong with young people today? Do they have no stamina? This mood has been brought on by the disappearance of one of architecture’s hallowed traditions – the belief that sleep and studying architecture are incompatible. The Bartlett, of all places, has taken to locking its premises overnight. What will happen to the character-building effect of doing an all-nighter or picking your way out through London's dark underbelly at 4am? The profession is going to the dogs.