Is it not more advisable to drive very slowly in first gear if at all driving is unavoidable when the brakes are not functioning? Just as we need to ensure that brakes are working perfectly before we begin driving, we also need to ensure that we learn to slow down or switch off the thinking process before we can expect to enjoy wholesome sleep. To enjoy and live a fulfilling life we need to learn to slow down rather than speed up. Speeding is probably useful only during racing and it is helpful to see that our life is not one endless race.
We can learn to switch off our mind and allow our mind to rest, the following article shows how this can be achieved.
Is a 5 hour sleep enough for a student?