SELECT TOP 10 *
FROM sys.dm_os_wait_stats
WHERE wait_time_ms > 0 -- remove zero wait_time
  AND wait_type NOT IN -- filter out additional irrelevant waits
( 'SLEEP_TASK', 'BROKER_TASK_STOP', 'BROKER_TO_FLUSH',
  'SQLTRACE_BUFFER_FLUSH', 'CLR_AUTO_EVENT', 'CLR_MANUAL_EVENT',
  'LAZYWRITER_SLEEP', 'SLEEP_SYSTEMTASK', 'SLEEP_BPOOL_FLUSH',
  'BROKER_EVENTHANDLER', 'XE_DISPATCHER_WAIT', 'FT_IFTSHC_MUTEX',
  'CHECKPOINT_QUEUE', 'FT_IFTS_SCHEDULER_IDLE_WAIT', 'BROKER_TRANSMITTER',
  'FT_IFTSHC_MUTEX', 'KSOURCE_WAKEUP', 'LAZYWRITER_SLEEP', 'LOGMGR_QUEUE',
  'ONDEMAND_TASK_QUEUE','REQUEST_FOR_DEADLOCK_SEARCH', 'XE_TIMER_EVENT'
  )
ORDER BY wait_time_ms DESC