Don't too much worry. We commodity traders have Life, don't stress eyes, sleep well, enjoying our life well. Stock traders will adjust slowly.
We don't even need to watch the market all time. Trailing stop and target takes care the trade. The various sound alert system is also there based on price, trendline or indicator signal. For visual price action traders usually, 1-2 hour window is good for trading.
I usually trade the stock market in tow 1-2 hr window opening and closing. And two 1-2 hr window for crude one approx 5-7 another US opening time/inventory time.
Positional Commodity traders also don't continuously monitor the market.
Frankly speaking, see the real-life commodity traders, they actually spend less time monitoring the market, than stock traders. They are used to the longer trading hour. They either trade in the specific time window usually when commodity moves- in the evening or puts trailing stop and target efficiently in the system. Commodity traders do attend social functions @ night, when their positional trade or intraday trade is going on.
If the market is open there is still chance to execute stop and target but if the market is close it is out of our hand. So longer market hour cut the overall risk and decrease the volatility. Volatility is itself the measurement of risk. And it is proved that longer trading hour reduces the volatility and price shock.
As a result of the lesser trading hour- approx 6 hour stock market opening time stock traders have a bad habit to watch the market continuously. Watching the screen over 2-3 hrs without a break hurt our eyes and injurious to our health too. With longer hour stock traders will learn how to choose the short trading window. IMO.
Actually currently there is only two 1-2 hr short trading window in stock market, one is @opening another is @ closing. Now a 3rd window will open around US market open and additional windows with world major economic data release time. Sometimes major data released b4 US market opening around 4:45pm-6:45pm. Trending move also can happen around there.
Don't worry, too much with some cons it will give more trading opportunities. There are times when due to a social function or some urgent commitment in daytime we miss trading. 3:30PM is too short time to come back to home. Usually, by the evening we come back to home. Now, still, we can get another opportunity to trade during US opening. Take it as positive.