Seasickness, user manual
|11 May 2012||Posted by Alex from Lagoon under Technical world|
While I was delivering a Lagoon 400 to Lorient for the boatshow in 20-25 knots of wind, one of my crew fell in an uncomfortable state because of the wavy sea: seasickness had struck! The question that is often raised in the port at night after such a painful episode is: okay, who is to blame for this seasickness? Here is an attempt of answer.
Blame it on our senses:
– The balance system (inner ear),
Indeed, those different sensory receptors are sending conflicting data. This is the situation for example when you are comfortably seated in the cockpit when sailing in wavy seas. Indeed our muscles and cutaneous sensory receptors send information to our brain that we do not move when our inner ear is strongly stimulated by the movements of the sea. These divergent data arise from complications such as feeling sick, vomiting…
Some tips against seasickness:
Seasickness is often accentuated by one or more of these 3 factors: hunger, cold, tiredness.
– Light, as little acid as possible low fat food before heading out to sea is an asset against seasickness,
– Dress appropriately for the weather and do not hesitate to cover yourself to avoid being cold is also useful,
– Being rested and in good physical shape when you go sailing is also important.
Then it is possible to minimize the mismatch of sensory information:
– Move to the center of the boat rather than at the ends to prevent accentuated movement:
– Coordinate the sensory stimuli:
- Look at the horizon, Eg: I’m sitting so I do not move and I look at the horizon that does not move either.
- Be active on the boat by taking part in the maneuver or steering the boat.
Finally, you can also make calls to medicine with drugs against motion sickness but these aids are not permanent solutions.
Some people are more sensitive than others to seasickness but this should not prevent you from sailing. Indeed even experienced sailors in the Vendée Globle (singlehanded race around the world) need a few days to get accustomed to life at sea!