Perhaps he was "blacked out drunk" (see below). And I agree with his gait on the bridge. Not just (IMO) that he lifted his right foot higher than a normal gait, but the fact it appeared he was placing it down in front of his left foot, and not like walking straight. It's hard to tell from the short clip of him walking on the bridge because it cuts off a few seconds too soon IMO, but that's what comes to mind every time I watch that clip. That his balance might have been off or that he was having a problem walking straight.
Alcohol-related blackouts are
gaps in a person's memory for events that occurred while they were intoxicated. These gaps happen when a person drinks enough alcohol to temporarily block the transfer of memories from short-term to long-term storage—known as memory consolidation—in a brain area called the hippocampus.
Drinking to the point of a blackout has gained pop culture notoriety in recent years. Alcohol-induced blackouts can lead to impaired memory of events that transpired while intoxicated, and a drastically increased risk of injuries and other harms. They can occur in anyone who drinks alcohol, no...
www.niaaa.nih.gov
People often confuse “
blacking out” with “passing out,” also called syncope, which is a temporary loss of consciousness where a person no longer displays voluntary behaviors. However,
an alcohol-related blackout involves losing your memory while you’re still awake and conscious; you can be moving around, interacting with others, and seem fine to those around you. Blackouts are caused by drinking high quantities of alcohol, which leads to an impairment in the way your brain transfers memories from short- to long-term memory.
People can experience two different types of blackouts when they drink enough alcohol. If you experience a fragmentary blackout, also known as a “grayout” or “brownout”, you may have gaps in your memory combined with some level of recollection of events, whereas
a total blackout involves no recollection of events, because memories of what happened never form and if they do, you cannot access them.
A blackout involves memory loss due to alcohol or drug abuse. Learn more about blackouts and the effects of excessive alcohol use.
americanaddictioncenters.org