I can't approach this with any railway knowledge, but have been involved with this for bus drivers, so some 'compare and contrast' may be of interest here.
On the buses, where there are night buses, it is (and has been) much more common for there to be a separate rota ('link' in railway language?) for night bus crews / drivers - usually on enhanced pay - either as a different pay grade or through the whole duty being on 'unsocial hours' rates.
Traditionally, the late to early shift change used to be arranged round a 'long weekend' of rest days to give more time to adjust, but there's often a preference for the earliest finishes before a long weekend and the latest starts after it, to make it easier to go away somewhere.
Some operators change shift type after a rest day, some change shift type at the start of the (schedules) week, whichever day that is, which can lead to some short daily rests between two duties on those days (within legal drivers hours limits of course - although drivers hours rules were written when it was a rarity for bus drivers to live some distance from their garage / depot and have an hour's drive in their car at each end of their day's work.)
As others have said, there's no one answer that suits everyone, different people are 'morning people' or 'evening people', some people naturally drift a bit later each day if left to their own devices, others naturally drift a bit eariler each day.
Some bus companies have separate rotas for late duties (sometimes again there's an enhanced pay rate for this), middle duties, extreme early duties - although traditionally anything that could be interpreted as 'special treatment' was frowned upon. And there's usually more volunteers for an early (or 'no lates') rota than for a late rota.
I've lost contact now, but a one time friend who was a train driver led me to understand that (at his depot at least) the official roster was more a basis for negotiation than anything else, and there was an informal process of meeting drivers' preferences so that (for example) those who didn't like early starts would do regular late shifts, and so on. Is that still a thing on the railways?
On the buses, where there are night buses, it is (and has been) much more common for there to be a separate rota ('link' in railway language?) for night bus crews / drivers - usually on enhanced pay - either as a different pay grade or through the whole duty being on 'unsocial hours' rates.
Traditionally, the late to early shift change used to be arranged round a 'long weekend' of rest days to give more time to adjust, but there's often a preference for the earliest finishes before a long weekend and the latest starts after it, to make it easier to go away somewhere.
Some operators change shift type after a rest day, some change shift type at the start of the (schedules) week, whichever day that is, which can lead to some short daily rests between two duties on those days (within legal drivers hours limits of course - although drivers hours rules were written when it was a rarity for bus drivers to live some distance from their garage / depot and have an hour's drive in their car at each end of their day's work.)
As others have said, there's no one answer that suits everyone, different people are 'morning people' or 'evening people', some people naturally drift a bit later each day if left to their own devices, others naturally drift a bit eariler each day.
Some bus companies have separate rotas for late duties (sometimes again there's an enhanced pay rate for this), middle duties, extreme early duties - although traditionally anything that could be interpreted as 'special treatment' was frowned upon. And there's usually more volunteers for an early (or 'no lates') rota than for a late rota.
I've lost contact now, but a one time friend who was a train driver led me to understand that (at his depot at least) the official roster was more a basis for negotiation than anything else, and there was an informal process of meeting drivers' preferences so that (for example) those who didn't like early starts would do regular late shifts, and so on. Is that still a thing on the railways?