One day a Vinaya master asked a Zen master:
-How should one practice Tao?
The Zen master replied:
-Eat when you are hungry, sleep when you are tired.
The Vinaya master said:
-Most people do that.
The Zen master...
What's not sangha about the laity?. Monks and non-monks - variously, segregated/separate sleeping quarters, bathroom facilities, sometimes separate meditation halls with donations of money, food, and certain communal luxury goods [tv time], chocolate with no smoking, one alcoholic beverage vs none whatever for monks with English teaching the natives and building materials on the side.